PCA9554APW vs PCA9508DP,118

This in-depth comparison of the PCA9554APW and PCA9508DP,118 provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

PCA9554APW

Texas Instruments

Lifecycle: Active
Stock: 6129 PCS
Package: TSSOP-16
Series: Interface - I-O Expanders

+BOM RFQ

Part B

PCA9508DP,118

NXP USA Inc.

Lifecycle: Active
Stock: 8076 PCS
Package: TSSOP-8
Series: Interface - Signal Buffers, Repeaters, Splitters

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	PCA9554APW	PCA9508DP,118
Supplier	-	NXP USA Inc.,Rochester Electronics, LLC
Part Status	Not For New Designs	Active
Type	-	Buffer, ReDriver
Applications	-	I²C - Hotswap
Input	-	2-Wire Bus
Output	-	2-Wire Bus
Data Rate (Max)	-	400kHz
Number of Channels	-	1
Capacitance - Input	-	5.2 pF
Voltage - Supply	2.3V ~ 5.5V	2.7V ~ 5.5V
Supply Current	-	1mA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Number of I/O	8	-
Interface	I²C, SMBus	-
Interrupt Output	Yes	-
Features	POR	-
Output Type	Push-Pull	-
Current - Output Source / Sink	10mA, 25mA	-
Clock Frequency	400 kHz	-

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